6750297691 has 2 divisors, whose sum is σ = 6750297692. Its totient is φ = 6750297690.

The previous prime is 6750297683. The next prime is 6750297773. The reversal of 6750297691 is 1967920576.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6750297691 - 2³ = 6750297683 is a prime.

It is not a weakly prime, because it can be changed into another prime (6750297641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375148845 + 3375148846.

It is an arithmetic number, because the mean of its divisors is an integer number (3375148846).

Almost surely, 2^6750297691 is an apocalyptic number.

6750297691 is a deficient number, since it is larger than the sum of its proper divisors (1).

6750297691 is an equidigital number, since it uses as much as digits as its factorization.

6750297691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 6750297691 is about 82160.1952955323. The cubic root of 6750297691 is about 1889.9093571863.

The spelling of 6750297691 in words is "six billion, seven hundred fifty million, two hundred ninety-seven thousand, six hundred ninety-one".